The book proposes an effective fasting cure to beat all the troublesome illnesses and to get physically in top shape by time-tested methods. Easy to follow and highly instructive! Upton Sinclair (1878–1968) was an American author who wrote books in many genres, but in all of them advocating for the moral ethics, better life style for the working people and social justice. Writing during the Progressive Era, Sinclair describes the world of industrialized America from both the working man's point of view and the industrialist. He has also won the Pulitzer Prize for Fiction in 1943.